Home / 260,572.30-390,633.48-100,760.12

Finding the Fourth Proportional to 260,572.30, 390,633.48 and 100,760.12

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Solution

The fourth proportional to 260,572.30, 390,633.48 and 100,760.12 is: 151,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,572.30 : 390,633.48 = 100,760.12 : x
  2. Step 2: Convert to fraction form
    260,572.30/390,633.48 = 100,760.12/x
  3. Step 3: Cross multiply
    260,572.30x = 390,633.48 × 100,760.12
  4. Step 4: Simplify right side
    260,572.30x = 39,360,276,320.82
  5. Step 5: Solve for x
    x = 39,360,276,320.82/260,572.30
  6. Step 6: Final answer
    x = 151,053.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.